Made a start on improved layout

.github/workflows/ci.yml

@@ -31,7 +31,6 @@ jobs:
           - "7.4"
           - "8.0"
           - "8.1"
-          - "8.2"
 
         compiler:
           - default
@@ -43,9 +42,6 @@ jobs:
           - os: ubuntu-latest
             php-version: "8.1"
             compiler: jit
-          - os: ubuntu-latest
-            php-version: "8.2"
-            compiler: jit
 
     steps:
     - name: Checkout

CHANGELOG.md

@@ -6,9 +6,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-### Added
-- PHP8.2 compatibility [#775](https://github.com/smarty-php/smarty/pull/775)
-
 ### Changed
 - Include docs and demo in the releases [#799](https://github.com/smarty-php/smarty/issues/799)
 - Using PHP functions as modifiers now triggers a deprecation notice because we will drop support for this in the next major release [#813](https://github.com/smarty-php/smarty/issues/813) 

README.md

@@ -7,7 +7,7 @@ Smarty is a template engine for PHP, facilitating the separation of presentation
 Read the [documentation](https://smarty-php.github.io/smarty/) to find out how to use it. 
 
 ## Requirements
-Smarty can be run with PHP 7.1 to PHP 8.2.
+Smarty can be run with PHP 7.1 to PHP 8.1.
 
 ## Installation
 Smarty versions 3.1.11 or later can be installed with [Composer](https://getcomposer.org/).

docker-compose.yml

@@ -38,8 +38,3 @@ services:
       service: base
     build:
       dockerfile: ./utilities/testrunners/php81/Dockerfile
-  php82:
-    extends:
-      service: base
-    build:
-      dockerfile: ./utilities/testrunners/php82/Dockerfile

docs/appendixes/troubleshooting.md

@@ -109,7 +109,7 @@ the corresponding error is in the template.
 
        
 
--   This means that your application registered a custom error handler
+-   This means that your application registered a custom error hander
     (using [set\_error\_handler()](&url.php-manual;set_error_handler))
     which is not respecting the given `$errno` as it should. If, for
     whatever reason, this is the desired behaviour of your custom error

docs/designers/language-builtin-functions/language-function-block.md

@@ -3,14 +3,14 @@
 
 `{block}` is used to define a named area of template source for template
 inheritance. For details see section of [Template
-Inheritance](#advanced.features.template.inheritance).
+Interitance](#advanced.features.template.inheritance).
 
 The `{block}` template source area of a child template will replace the
-corresponding areas in the parent template(s).
+correponding areas in the parent template(s).
 
 Optionally `{block}` areas of child and parent templates can be merged
 into each other. You can append or prepend the parent `{block}` content
-by using the `append` or `prepend` option flag with the child's `{block}`
+by using the `append` or `prepend` option flag with the childs `{block}`
 definition. With the {\$smarty.block.parent} the `{block}` content of
 the parent template can be inserted at any location of the child
 `{block}` content. {\$smarty.block.child} inserts the `{block}` content

docs/designers/language-builtin-functions/language-function-extends.md

@@ -3,7 +3,7 @@
 
 `{extends}` tags are used in child templates in template inheritance for
 extending parent templates. For details see section of [Template
-Inheritance](#advanced.features.template.inheritance).
+Interitance](#advanced.features.template.inheritance).
 
 -   The `{extends}` tag must be on the first line of the template.
 
@@ -33,5 +33,5 @@ Inheritance](#advanced.features.template.inheritance).
 
       
 
-See also [Template Inheritance](#advanced.features.template.inheritance)
+See also [Template Interitance](#advanced.features.template.inheritance)
 and [`{block}`](#language.function.block).

docs/designers/language-builtin-functions/language-function-for.md

@@ -2,7 +2,7 @@
 =====
 
 The `{for}{forelse}` tag is used to create simple loops. The following
-different formats are supported:
+different formarts are supported:
 
 -   `{for $var=$start to $end}` simple loop with step size of 1.
 

docs/designers/language-builtin-functions/language-function-include.md

@@ -131,7 +131,7 @@ cache lifetime of 500 seconds.
       
 
 In this example included template will be cached independent of the
-global caching setting.
+global cahing setting.
 
 
     {include 'sub_template.tpl' caching}

docs/designers/language-builtin-functions/language-function-insert.md

@@ -65,7 +65,7 @@ and display the returned results in place of the {insert} tag.
     The path can be either absolute, or relative to
     [`$trusted_dir`](#variable.trusted.dir). If security is enabled,
     then the script must be located in the `$trusted_dir` path of the
-    security policy. See the [Security](#advanced.features.security)
+    securty policy. See the [Security](#advanced.features.security)
     section for details.
 
 The Smarty object is passed as the second argument. This way you can

docs/designers/language-builtin-functions/language-function-section.md

@@ -251,8 +251,8 @@ The above example will output:
 
 {section}\'s can be nested as deep as you like. With nested
 {section}\'s, you can access complex data structures, such as
-multi-dimensional arrays. This is an example `.php` script that
-assigns the arrays.
+multi-dimensional arrays. This is an example `.php` script thats
+assign\'s the arrays.
 
 
     <?php

docs/designers/language-builtin-functions/language-function-setfilter.md

@@ -10,7 +10,7 @@ The filter can be:
 
 -   A variable filter plugin specified by it\'s name.
 
--   A modifier specified by it\'s name and optional additional
+-   A modidier specified by it\'s name and optional additional
     parameter.
 
 `{setfilter}...{/setfilter}` blocks can be nested. The filter definition

docs/designers/language-custom-functions/language-function-fetch.md

@@ -22,7 +22,7 @@ ftp and display the contents.
     >
     > If security is enabled and you are fetching a file from the local
     > file system, `{fetch}` will only allow files from within the
-    > `$secure_dir` path of the security policy. See the
+    > `$secure_dir` path of the securty policy. See the
     > [Security](#advanced.features.security) section for details.
 
 -   If the `assign` attribute is set, the output of the `{fetch}`

docs/designers/language-custom-functions/language-function-html-image.md

@@ -19,7 +19,7 @@ automatically calculated from the image file if they are not supplied.
     from. If not given, the web server\'s document root
     `$_ENV['DOCUMENT_ROOT']` is used as the base. If security is
     enabled, then the image must be located in the `$secure_dir` path of
-    the security policy. See the [Security](#advanced.features.security)
+    the securty policy. See the [Security](#advanced.features.security)
     section for details.
 
 -   `href` is the href value to link the image to. If link is supplied,

docs/designers/language-modifiers.md

@@ -115,7 +115,7 @@ These parameters follow the modifier name and are separated by a `:`
 
     -   Secondly - if security is enabled, all php-functions that are to
         be used as modifiers have to be declared trusted in the
-        `$modifiers` property of the security policy. See the
+        `$modifiers` property of the securty policy. See the
         [Security](../programmers/advanced-features/advanced-features-security.md) section for details.
 
 See also [`registerPlugin()`](../programmers/api-functions/api-register-plugin.md), [combining

docs/designers/language-modifiers/language-modifier-capitalize.md

@@ -1,41 +1,43 @@
-capitalize {#language.modifier.capitalize}
-==========
+# capitalize (modifier)
 
 This is used to capitalize the first letter of all words in a variable.
 This is similar to the PHP [`ucwords()`](&url.php-manual;ucwords)
 function.
 
-   Parameter Position    Type     Required   Default  Description
-  -------------------- --------- ---------- --------- -----------------------------------------------------------------------------------------------------------
-           1            boolean      No       FALSE   This determines whether or not words with digits will be uppercased
-           2            boolean      No       FALSE   This determines whether or not Capital letters within words should be lowercased, e.g. \"aAa\" to \"Aaa\"
+## Parameters
 
+| Position | Type    | Required | Default | Description                                                                                           |
+|----------|---------|----------|---------|-------------------------------------------------------------------------------------------------------|
+| 1        | boolean | No       | False   | This determines whether or not words with digits will be uppercased.                                  |           
+| 2        | boolean | No       | False   | This determines whether or not Capital letters within words should be lowercased, e.g. "aAa" to "Aaa" |
 
-    <?php
+## Example
 
-    $smarty->assign('articleTitle', 'next x-men film, x3, delayed.');
-
-    ?>
+PHP-script:
 
+```php
+$smarty->assign('articleTitle', 'next x-men film, x3, delayed.');
+```
        
 
 Where the template is:
 
-
+```smarty
     {$articleTitle}
     {$articleTitle|capitalize}
     {$articleTitle|capitalize:true}
-
-       
+```
+      
 
 Will output:
 
-
+```
     next x-men film, x3, delayed.
     Next X-Men Film, x3, Delayed.
     Next X-Men Film, X3, Delayed.
+```
 
+## See also
        
-
-See also [`lower`](#language.modifier.lower) and
-[`upper`](#language.modifier.upper)
+- [lower (modifier)](./language-modifier-lower.md)
+- [upper (modifier)](./language-modifier-upper.md)

docs/designers/language-modifiers/language-modifier-cat.md

@@ -1,31 +1,26 @@
-cat {#language.modifier.cat}
-===
+# cat (modifier)
 
 This value is concatenated to the given variable.
 
-   Parameter Position    Type    Required   Default  Description
-  -------------------- -------- ---------- --------- -----------------------------------------------
-           1            string      No      *empty*  This value to catenate to the given variable.
+## Parameters
 
+| Position | Type   | Required | Default | Description                                   |
+|----------|--------|----------|---------|-----------------------------------------------|
+| 1        | string | No       | *empty* | This value to catenate to the given variable. |
 
-    <?php
-
-    $smarty->assign('articleTitle', "Psychics predict world didn't end");
-
-    ?>
-
-       
+## Example
 
+PHP-script:
+```php
+$smarty->assign('articleTitle', "Psychics predict world didn't end");
+```
+   
 Where template is:
-
-
-    {$articleTitle|cat:' yesterday.'}
-
-       
+```smarty
+   {$articleTitle|cat:' yesterday.'}
+```
 
 Will output:
-
-
+```
     Psychics predict world didn't end yesterday.
-
-       
+```

docs/designers/language-modifiers/language-modifier-from-charset.md

@@ -15,5 +15,5 @@ modifier](#language.modifier.to_charset).
 > modifier should only be used in cases where the application cannot
 > anticipate that a certain string is required in another encoding.
 
-See also [Charset Encoding](#charset), [from\_charset
+See also [Charset Enconding](#charset), [from\_charset
 modifier](#language.modifier.from_charset).

docs/designers/language-modifiers/language-modifier-to-charset.md

@@ -15,5 +15,5 @@ modifier](#language.modifier.from_charset).
 > modifier should only be used in cases where the application cannot
 > anticipate that a certain string is required in another encoding.
 
-See also [Charset Encoding](#charset), [from\_charset
+See also [Charset Enconding](#charset), [from\_charset
 modifier](#language.modifier.from_charset).

docs/designers/language-variables/language-variables-smarty.md

@@ -157,13 +157,13 @@ Returns the version of Smarty the template was compiled with.
 ----------------------
 
 Returns block text from child template. See [Template
-inheritance](#advanced.features.template.inheritance).
+interitance](#advanced.features.template.inheritance).
 
 {\$smarty.block.parent} {#language.variables.smarty.block.parent}
 -----------------------
 
 Returns block text from parent template. See [Template
-inheritance](#advanced.features.template.inheritance)
+interitance](#advanced.features.template.inheritance)
 
 {\$smarty.ldelim}, {\$smarty.rdelim} {#language.variables.smarty.ldelim}
 ------------------------------------

docs/getting-started.md

@@ -2,7 +2,7 @@ What is Smarty?
 ==============
 
 ## Requirements
-Smarty can be run with PHP 7.1 to PHP 8.2.
+Smarty can be run with PHP 7.1 to PHP 8.1.
 
 ## Installation
 Smarty versions 3.1.11 or later can be installed with [Composer](https://getcomposer.org/).

docs/programmers/advanced-features/advanced-features-objects.md

@@ -29,7 +29,7 @@ determined by your needs, but use the first method whenever possible to
 keep template syntax to a minimum.
 
 If security is enabled, no private methods or functions can be accessed
-(beginning with \'\_\'). If a method and property of the same name exist,
+(beginningwith \'\_\'). If a method and property of the same name exist,
 the method will be used.
 
 You can restrict the methods and properties that can be accessed by

docs/programmers/advanced-features/advanced-features-security.md

@@ -2,7 +2,7 @@ Security {#advanced.features.security}
 ========
 
 Security is good for situations when you have untrusted parties editing
-the templates e.g. via ftp, and you want to reduce the risk of system
+the templates eg via ftp, and you want to reduce the risk of system
 security compromises through the template language.
 
 The settings of the security policy are defined by properties of an
@@ -10,7 +10,7 @@ instance of the Smarty\_Security class. These are the possible settings:
 
 -   `$secure_dir` is an array of template directories that are
     considered secure. [`$template_dir`](#variable.template.dir)
-    considered secure implicitly. The default is an empty array.
+    concidered secure implicitly. The default is an empty array.
 
 -   `$trusted_dir` is an array of all directories that are considered
     trusted. Trusted directories are where you keep php scripts that are
@@ -27,7 +27,7 @@ instance of the Smarty\_Security class. These are the possible settings:
     like authentication-tokens).
 
     The expression `'#https?://.*smarty.net$#i'` would allow accessing
-    the following URIs:
+    the follwing URIs:
 
     -   `http://smarty.net/foo`
 
@@ -140,5 +140,5 @@ Smarty\_Security class or create an instance of it.
 > **Note**
 >
 > Most security policy settings are only checked when the template gets
-> compiled. For that reason you should delete all cached and compiled
+> compiled. For that reasion you should delete all cached and compiled
 > template files when you change your security settings.

docs/programmers/advanced-features/advanced-features-template-inheritance.md

@@ -33,7 +33,7 @@ can override all or some of the parent named block areas.
     you can define the whole template inheritance tree in the PHP script
     when you are calling [`fetch()`](#api.fetch) or
     [`display()`](#api.display) with the `extends:` template resource
-    type. The later provides even more flexibility.
+    type. The later provides even more flexibillity.
 
 > **Note**
 >

docs/programmers/advanced-features/advanced-features-template-settings.md

@@ -8,7 +8,7 @@ Modifications done to the Smarty object will be global for all
 templates.
 
 However the Smarty class variables and functions can be accessed or
-called by individual template objects. Modification done to a template
+called by induvidual template objects. Modification done to a template
 object will apply only for that template and its included subtemplates.
 
 

docs/programmers/api-functions/api-create-data.md

@@ -26,7 +26,7 @@ the following parameters:
     variables assigned to any of the objects in it\'s parent chain.
 
 Data objects are used to create scopes for assigned variables. They can
-be used to control which variables are seen by which templates.
+be used to have controll which variables are seen by which templates.
 
 
     <?php

docs/programmers/api-functions/api-disable-security.md

@@ -9,7 +9,7 @@ string
 
 disableSecurity
 
-This disables security checking on templates.
+This disables securty checking on templates.
 
 See also [`enableSecurity()`](#api.enable.security), and
 [Security](#advanced.features.security).

docs/programmers/api-functions/api-enable-security.md

@@ -25,7 +25,7 @@ string
 
 enableSecurity
 
-This enables security checking on templates. It uses the following
+This enables securty checking on templates. It uses the following
 parameters:
 
 -   `securityclass` is an optional parameter. It\'s the name of the

docs/programmers/api-functions/api-mute-expected-errors.md

@@ -16,6 +16,6 @@ given error was produced deliberately and must be ignored, or should be
 passed on to the next error handler.
 
 `Smarty::unmuteExpectedErrors()` removes the current error handler.
-Please note, that if you\'ve registered any custom error handlers after
+Please note, that if you\'ve registerd any custom error handlers after
 the muteExpectedErrors() call, the unmute will not remove Smarty\'s
 muting error handler, but the one registered last.

docs/programmers/api-functions/api-register-default-plugin-handler.md

@@ -18,7 +18,7 @@ not find a definition for a tag otherwise. It uses the following
 parameters:
 
 If during compilation Smarty encounters tag which is not defined
-internal, registered or located in the plugins folder it tries to
+internal, registered or loacted in the plugins folder it tries to
 resolve it by calling the registered default plugin handler. The handler
 may be called several times for same undefined tag looping over valid
 plugin types.

docs/programmers/api-functions/api-test-install.md

@@ -10,7 +10,7 @@ void
 testInstall
 
 This function verifies that all required working folders of the Smarty
-installation can be accessed. It does output a corresponding protocol.
+installation can be accessed. It does output a corresponding protocoll.
 
 
     <?php

docs/programmers/api-variables/variable-compile-id.md

@@ -1,7 +1,7 @@
 \$compile\_id {#variable.compile.id}
 =============
 
-Persistent compile identifier. As an alternative to passing the same
+Persistant compile identifier. As an alternative to passing the same
 `$compile_id` to each and every function call, you can set this
 `$compile_id` and it will be used implicitly thereafter.
 
@@ -10,7 +10,7 @@ post-filters](#plugins.prefilters.postfilters) you must use a unique
 `$compile_id` to keep the compiled template files separated.
 
 For example a [prefilter](#plugins.prefilters.postfilters) that
-localizes your templates (that is: translates language dependent parts)
+localizes your templates (that is: translates language dependend parts)
 at compile time, then you could use the current language as
 `$compile_id` and you will get a set of compiled templates for each
 language you use.

docs/programmers/api-variables/variable-locking-timeout.md

@@ -2,6 +2,6 @@
 ==================
 
 This is maximum time in seconds a cache lock is valid to avoid dead
-locks. The default value is 10 seconds.
+locks. The deafult value is 10 seconds.
 
 See also [`$cache_locking`](#variable.cache.locking)

docs/programmers/api-variables/variable-use-sub-dirs.md

@@ -10,7 +10,7 @@ environments do not allow PHP processes to create directories, so this
 must be disabled which is the default.
 
 Sub directories are more efficient, so use them if you can.
-Theoretically you get much better performance on a filesystem with 10
+Theoretically you get much better perfomance on a filesystem with 10
 directories each having 100 files, than with 1 directory having 1000
 files. This was certainly the case with Solaris 7 (UFS)\... with newer
 filesystems such as ext3 and especially reiserfs, the difference is

docs/programmers/caching/caching-groups.md

@@ -25,10 +25,10 @@ like.
 -   You CANNOT remove a specified template name under multiple cache
     groups such as `'/a/b/*/foo.tpl'`, the cache grouping works
     left-to-right ONLY. You will need to group your templates under a
-    single cache group hierarchy to be able to clear them as a group.
+    single cache group heirarchy to be able to clear them as a group.
 
 Cache grouping should not be confused with your template directory
-hierarchy, the cache grouping has no knowledge of how your templates are
+heirarchy, the cache grouping has no knowledge of how your templates are
 structured. So for example, if you have a template structure like
 `themes/blue/index.tpl` and you want to be able to clear all the cache
 files for the "blue" theme, you will need to create a cache group

docs/programmers/charset.md

@@ -15,7 +15,7 @@ Smarty recognizes `UTF-8` as the internal charset if
 > `ISO-8859-1` has been PHP\'s default internal charset since the
 > beginning. Unicode has been evolving since 1991. Since then it has
 > become the one charset to conquer them all, as it is capable of
-> encoding most of the known characters even across different character
+> encoding most of the known characters even accross different character
 > systems (latin, cyrillic, japanese, ...). `UTF-8` is unicode\'s most
 > used encoding, as it allows referencing the thousands of character
 > with the smallest size overhead possible.

docs/programmers/resources/resources-extends.md

@@ -3,20 +3,20 @@ Extends Template Resources {#resources.extends}
 
 The `extends:` resource is used to define child/parent relationships for
 template inheritance from the PHP script. For details see section of
-[Template Inheritance](#advanced.features.template.inheritance).
+[Template Interitance](#advanced.features.template.inheritance).
 
 As of Smarty 3.1 the `extends:` resource may use any available [template
 resource](#resources), including `string:` and `eval:`. When [templates
 from strings](#resources.string) are used, make sure they are properly
 (url or base64) encoded. Is an `eval:` resource found within an
 inheritance chain, its \"don\'t save a compile file\" property is
-superseded by the `extends:` resource. The templates within an
+superseeded by the `extends:` resource. The templates within an
 inheritance chain are not compiled separately, though. Only a single
 compiled template will be generated.
 
 > **Note**
 >
-> Use this when inheritance is required programmatically. When inheriting
+> Use this when inheritance is required programatically. When inheriting
 > within PHP, it is not obvious from the child template what inheritance
 > took place. If you have a choice, it is normally more flexible and
 > intuitive to handle inheritance chains from within the templates.

docs/programmers/resources/resources-file.md

@@ -47,7 +47,7 @@ Templates from a specific \$template\_dir {#templates.from.specified.template.di
 Smarty 3.1 introduced the bracket-syntax for specifying an element from
 [`$template_dir`](#variable.template.dir). This allows websites
 employing multiple sets of templates better control over which template
-to access.
+to acces.
 
 The bracket-syntax can be used from anywhere you can specify the `file:`
 resource type.

libs/Autoloader.php

@@ -46,6 +46,31 @@ class Smarty_Autoloader
      */
     public static $rootClasses = array('smarty' => 'Smarty.class.php');
 
+    /**
+     * Registers Smarty_Autoloader backward compatible to older installations.
+     *
+     * @param bool $prepend Whether to prepend the autoloader or not.
+     */
+    public static function registerBC($prepend = false)
+    {
+        /**
+         * register the class autoloader
+         */
+        if (!defined('SMARTY_SPL_AUTOLOAD')) {
+            define('SMARTY_SPL_AUTOLOAD', 0);
+        }
+        if (SMARTY_SPL_AUTOLOAD
+            && set_include_path(get_include_path() . PATH_SEPARATOR . SMARTY_SYSPLUGINS_DIR) !== false
+        ) {
+            $registeredAutoLoadFunctions = spl_autoload_functions();
+            if (!isset($registeredAutoLoadFunctions[ 'spl_autoload' ])) {
+                spl_autoload_register();
+            }
+        } else {
+            self::register($prepend);
+        }
+    }
+
     /**
      * Registers Smarty_Autoloader as an SPL autoloader.
      *

libs/Smarty.class.php

@@ -139,6 +139,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     const DEBUG_OFF        = 0;
     const DEBUG_ON         = 1;
     const DEBUG_INDIVIDUAL = 2;
+
     /**
      * filter types
      */
@@ -779,7 +780,7 @@ class Smarty extends Smarty_Internal_TemplateBase
             $this->_normalizeTemplateConfig($isConfig);
         }
         if ($index !== null) {
-            return ($dir[ $index ] ?? null);
+            return isset($dir[ $index ]) ? $dir[ $index ] : null;
         }
         return $dir;
     }

libs/debug.tpl

@@ -12,6 +12,7 @@
                 margin: 1px;
                 padding: 0;
             }
+
             h1 {
                 margin: 0;
                 text-align: left;
@@ -21,6 +22,7 @@
                 font-weight: bold;
                 font-size: 1.2em;
             }
+
             h2 {
                 background-color: #9B410E;
                 color: white;
@@ -29,6 +31,7 @@
                 padding: 2px;
                 border-top: 1px solid black;
             }
+
             h3 {
                 text-align: left;
                 font-weight: bold;
@@ -36,58 +39,71 @@
                 font-size: 0.7em;
                 padding: 2px;
             }
+
             body {
                 background: black;
             }
+
             p, table, div {
                 background: #f0ead8;
             }
+
             p {
                 margin: 0;
                 font-style: italic;
                 text-align: center;
             }
+
             table {
                 width: 100%;
             }
+
             th, td {
                 font-family: monospace;
                 vertical-align: top;
                 text-align: left;
             }
+
             td {
                 color: green;
             }
+
             tr:nth-child(odd) {
                 background-color: #eeeeee;
             }
+
             tr:nth-child(even) {
                 background-color: #fafafa;
             }
+
             .exectime {
                 font-size: 0.8em;
                 font-style: italic;
             }
+
             #bold div {
                 color: black;
                 font-weight: bold;
             }
+
             #blue h3 {
                 color: blue;
             }
+
             #normal div {
                 color: black;
                 font-weight: normal;
             }
+
             #table_assigned_vars th {
                 color: blue;
                 font-weight: bold;
             }
+
             #table_config_vars th {
                 color: maroon;
             }
             {/literal}
-
         </style>
     </head>
     <body>
@@ -105,7 +121,6 @@
                  </span>
                 <br>
             {/foreach}
-
         </div>
     {/if}
 
@@ -129,14 +144,11 @@
                         {$vars['attributes']|debug_print_var nofilter}
                     {/if}
                 </td>
-            </tr>
          {/foreach}
-
     </table>
 
     <h2>assigned config file variables</h2>
 
-    {if NOT empty($config_vars)}
     <table id="table_config_vars">
         {foreach $config_vars as $vars}
             <tr>
@@ -151,8 +163,6 @@
         {/foreach}
 
     </table>
-    {/if}
-
     </body>
     </html>
 {/capture}

libs/plugins/block.textformat.php

@@ -20,7 +20,7 @@
  * - indent_char   - string (" ")
  * - wrap_boundary - boolean (true)
  *
- * @link   https://www.smarty.net/docs/en/language.function.textformat.php {textformat}
+ * @link   https://www.smarty.net/manual/en/language.function.textformat.php {textformat}
  *         (Smarty online manual)
  *
  * @param array                    $params   parameters

libs/plugins/function.counter.php

@@ -12,7 +12,7 @@
  * Purpose:  print out a counter value
  *
  * @author Monte Ohrt <monte at ohrt dot com>
- * @link   https://www.smarty.net/docs/en/language.function.counter.php {counter}
+ * @link   https://www.smarty.net/manual/en/language.function.counter.php {counter}
  *         (Smarty online manual)
  *
  * @param array                    $params   parameters
@@ -23,7 +23,7 @@
 function smarty_function_counter($params, $template)
 {
     static $counters = array();
-    $name = $params[ 'name' ] ?? 'default';
+    $name = (isset($params[ 'name' ])) ? $params[ 'name' ] : 'default';
     if (!isset($counters[ $name ])) {
         $counters[ $name ] = array('start' => 1, 'skip' => 1, 'direction' => 'up', 'count' => 1);
     }

libs/plugins/function.cycle.php

@@ -28,7 +28,7 @@
  * {cycle name=row values="one,two,three" reset=true}
  * {cycle name=row}
  *
- * @link    https://www.smarty.net/docs/en/language.function.cycle.php {cycle}
+ * @link    https://www.smarty.net/manual/en/language.function.cycle.php {cycle}
  *           (Smarty online manual)
  * @author  Monte Ohrt <monte at ohrt dot com>
  * @author  credit to Mark Priatel <mpriatel@rogers.com>

libs/plugins/function.fetch.php

@@ -11,7 +11,7 @@
  * Name:     fetch
  * Purpose:  fetch file, web or ftp data and display results
  *
- * @link   https://www.smarty.net/docs/en/language.function.fetch.php {fetch}
+ * @link   https://www.smarty.net/manual/en/language.function.fetch.php {fetch}
  *         (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  *

libs/plugins/function.html_checkboxes.php

@@ -29,7 +29,7 @@
  * - assign     (optional) - assign the output as an array to this variable
  * - escape     (optional) - escape the content (not value), defaults to true
  *
- * @link    https://www.smarty.net/docs/en/language.function.html.checkboxes.php {html_checkboxes}
+ * @link    https://www.smarty.net/manual/en/language.function.html.checkboxes.php {html_checkboxes}
  *             (Smarty online manual)
  * @author  Christopher Kvarme <christopher.kvarme@flashjab.com>
  * @author  credits to Monte Ohrt <monte at ohrt dot com>

libs/plugins/function.html_image.php

@@ -21,7 +21,7 @@
  * - basedir     - (optional) - base directory for absolute paths, default is environment variable DOCUMENT_ROOT
  * - path_prefix - prefix for path output (optional, default empty)
  *
- * @link    https://www.smarty.net/docs/en/language.function.html.image.php {html_image}
+ * @link    https://www.smarty.net/manual/en/language.function.html.image.php {html_image}
  *          (Smarty online manual)
  * @author  Monte Ohrt <monte at ohrt dot com>
  * @author  credits to Duda <duda@big.hu>

libs/plugins/function.html_options.php

@@ -21,7 +21,7 @@
  * - id         (optional) - string default not set
  * - class      (optional) - string default not set
  *
- * @link   https://www.smarty.net/docs/en/language.function.html.options.php {html_image}
+ * @link   https://www.smarty.net/manual/en/language.function.html.options.php {html_image}
  *           (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  * @author Ralf Strehle (minor optimization) <ralf dot strehle at yahoo dot de>

libs/plugins/function.html_radios.php

@@ -29,7 +29,7 @@
  * {html_radios values=$ids name='box' separator='<br>' output=$names}
  * {html_radios values=$ids checked=$checked separator='<br>' output=$names}
  *
- * @link    https://www.smarty.net/docs/en/language.function.html.radios.php {html_radios}
+ * @link    https://www.smarty.net/manual/en/language.function.html.radios.php {html_radios}
  *          (Smarty online manual)
  * @author  Christopher Kvarme <christopher.kvarme@flashjab.com>
  * @author  credits to Monte Ohrt <monte at ohrt dot com>
@@ -156,7 +156,7 @@ function smarty_function_html_radios($params, Smarty_Internal_Template $template
         }
     } else {
         foreach ($values as $_i => $_key) {
-            $_val = $output[ $_i ] ?? '';
+            $_val = isset($output[ $_i ]) ? $output[ $_i ] : '';
             $_html_result[] =
                 smarty_function_html_radios_output(
                     $name,

libs/plugins/function.html_select_date.php

@@ -28,7 +28,7 @@
  *            - 2.0 complete rewrite for performance,
  *              added attributes month_names, *_id
  *
- * @link    https://www.smarty.net/docs/en/language.function.html.select.date.php {html_select_date}
+ * @link    https://www.smarty.net/manual/en/language.function.html.select.date.php {html_select_date}
  *           (Smarty online manual)
  * @version 2.0
  * @author  Andrei Zmievski
@@ -179,7 +179,9 @@ function smarty_function_html_select_date($params, Smarty_Internal_Template $tem
                          'd' => 'Day'
                      ] as $_elementKey => $_elementName) {
                 $_variableName = '_' . strtolower($_elementName);
-                $$_variableName = $params[ 'time' ][ $prefix . $_elementName ] ?? date($_elementKey);
+                $$_variableName =
+                    isset($time[$prefix . $_elementName]) ? $time[$prefix . $_elementName] :
+                        date($_elementKey);
             }
         } elseif (isset($time[$field_array][$prefix . 'Year'])) {
             // $_REQUEST given
@@ -263,8 +265,9 @@ function smarty_function_html_select_date($params, Smarty_Internal_Template $tem
             if ($year_id !== null || $all_id !== null) {
                 $_html_years .= ' id="' . smarty_function_escape_special_chars(
                         $year_id !== null ?
-                            ($year_id ?? $_name) :
-                            ($all_id ? ($all_id . $_name) : $_name)
+                            ($year_id ? $year_id : $_name) :
+                            ($all_id ? ($all_id . $_name) :
+                                $_name)
                     ) . '"';
             }
             if ($year_size) {
@@ -272,7 +275,7 @@ function smarty_function_html_select_date($params, Smarty_Internal_Template $tem
             }
             $_html_years .= $_extra . $extra_attrs . '>' . $option_separator;
             if (isset($year_empty) || isset($all_empty)) {
-                $_html_years .= '<option value="">' . ($year_empty ?? $all_empty) . '</option>' .
+                $_html_years .= '<option value="">' . (isset($year_empty) ? $year_empty : $all_empty) . '</option>' .
                                 $option_separator;
             }
             $op = $start_year > $end_year ? -1 : 1;
@@ -297,8 +300,9 @@ function smarty_function_html_select_date($params, Smarty_Internal_Template $tem
         if ($month_id !== null || $all_id !== null) {
             $_html_months .= ' id="' . smarty_function_escape_special_chars(
                     $month_id !== null ?
-                        ($month_id ?? $_name) :
-                        ($all_id ? ($all_id . $_name) : $_name)
+                        ($month_id ? $month_id : $_name) :
+                        ($all_id ? ($all_id . $_name) :
+                            $_name)
                 ) . '"';
         }
         if ($month_size) {
@@ -306,7 +310,7 @@ function smarty_function_html_select_date($params, Smarty_Internal_Template $tem
         }
         $_html_months .= $_extra . $extra_attrs . '>' . $option_separator;
         if (isset($month_empty) || isset($all_empty)) {
-            $_html_months .= '<option value="">' . ($month_empty ?? $all_empty) . '</option>' .
+            $_html_months .= '<option value="">' . (isset($month_empty) ? $month_empty : $all_empty) . '</option>' .
                              $option_separator;
         }
         for ($i = 1; $i <= 12; $i++) {
@@ -342,7 +346,7 @@ function smarty_function_html_select_date($params, Smarty_Internal_Template $tem
         }
         $_html_days .= $_extra . $extra_attrs . '>' . $option_separator;
         if (isset($day_empty) || isset($all_empty)) {
-            $_html_days .= '<option value="">' . ($day_empty ?? $all_empty) . '</option>' .
+            $_html_days .= '<option value="">' . (isset($day_empty) ? $day_empty : $all_empty) . '</option>' .
                            $option_separator;
         }
         for ($i = 1; $i <= 31; $i++) {

libs/plugins/function.html_select_time.php

@@ -11,7 +11,7 @@
  * Name:     html_select_time
  * Purpose:  Prints the dropdowns for time selection
  *
- * @link   https://www.smarty.net/docs/en/language.function.html.select.time.php {html_select_time}
+ * @link   https://www.smarty.net/manual/en/language.function.html.select.time.php {html_select_time}
  *           (Smarty online manual)
  * @author Roberto Berto <roberto@berto.net>
  * @author Monte Ohrt <monte AT ohrt DOT com>
@@ -147,7 +147,9 @@ function smarty_function_html_select_time($params, Smarty_Internal_Template $tem
                 's' => 'Second'
             ) as $_elementKey => $_elementName) {
                 $_variableName = '_' . strtolower($_elementName);
-                $$_variableName = $params[ 'time' ][ $prefix . $_elementName ] ?? date($_elementKey);
+                $$_variableName =
+                    isset($params[ 'time' ][ $prefix . $_elementName ]) ? $params[ 'time' ][ $prefix . $_elementName ] :
+                        date($_elementKey);
             }
             $_meridian =
                 isset($params[ 'time' ][ $prefix . 'Meridian' ]) ? (' ' . $params[ 'time' ][ $prefix . 'Meridian' ]) :
@@ -197,7 +199,7 @@ function smarty_function_html_select_time($params, Smarty_Internal_Template $tem
         if ($hour_id !== null || $all_id !== null) {
             $_html_hours .= ' id="' .
                             smarty_function_escape_special_chars(
-                                $hour_id !== null ? ($hour_id ?? $_name) :
+                                $hour_id !== null ? ($hour_id ? $hour_id : $_name) :
                                     ($all_id ? ($all_id . $_name) : $_name)
                             ) . '"';
         }
@@ -206,7 +208,7 @@ function smarty_function_html_select_time($params, Smarty_Internal_Template $tem
         }
         $_html_hours .= $_extra . $extra_attrs . '>' . $option_separator;
         if (isset($hour_empty) || isset($all_empty)) {
-            $_html_hours .= '<option value="">' . ($hour_empty ?? $all_empty) . '</option>' .
+            $_html_hours .= '<option value="">' . (isset($hour_empty) ? $hour_empty : $all_empty) . '</option>' .
                             $option_separator;
         }
         $start = $use_24_hours ? 0 : 1;
@@ -239,8 +241,9 @@ function smarty_function_html_select_time($params, Smarty_Internal_Template $tem
         if ($minute_id !== null || $all_id !== null) {
             $_html_minutes .= ' id="' . smarty_function_escape_special_chars(
                     $minute_id !== null ?
-                        ($minute_id ?? $_name) :
-                        ($all_id ? ($all_id . $_name) : $_name)
+                        ($minute_id ? $minute_id : $_name) :
+                        ($all_id ? ($all_id . $_name) :
+                            $_name)
                 ) . '"';
         }
         if ($minute_size) {
@@ -248,7 +251,7 @@ function smarty_function_html_select_time($params, Smarty_Internal_Template $tem
         }
         $_html_minutes .= $_extra . $extra_attrs . '>' . $option_separator;
         if (isset($minute_empty) || isset($all_empty)) {
-            $_html_minutes .= '<option value="">' . ($minute_empty ?? $all_empty) . '</option>' .
+            $_html_minutes .= '<option value="">' . (isset($minute_empty) ? $minute_empty : $all_empty) . '</option>' .
                               $option_separator;
         }
         $selected = $_minute !== null ? ($_minute - $_minute % $minute_interval) : null;
@@ -276,8 +279,9 @@ function smarty_function_html_select_time($params, Smarty_Internal_Template $tem
         if ($second_id !== null || $all_id !== null) {
             $_html_seconds .= ' id="' . smarty_function_escape_special_chars(
                     $second_id !== null ?
-                        ($second_id ?? $_name) :
-                        ($all_id ? ($all_id . $_name) : $_name)
+                        ($second_id ? $second_id : $_name) :
+                        ($all_id ? ($all_id . $_name) :
+                            $_name)
                 ) . '"';
         }
         if ($second_size) {
@@ -285,7 +289,7 @@ function smarty_function_html_select_time($params, Smarty_Internal_Template $tem
         }
         $_html_seconds .= $_extra . $extra_attrs . '>' . $option_separator;
         if (isset($second_empty) || isset($all_empty)) {
-            $_html_seconds .= '<option value="">' . ($second_empty ?? $all_empty) . '</option>' .
+            $_html_seconds .= '<option value="">' . (isset($second_empty) ? $second_empty : $all_empty) . '</option>' .
                               $option_separator;
         }
         $selected = $_second !== null ? ($_second - $_second % $second_interval) : null;
@@ -313,8 +317,10 @@ function smarty_function_html_select_time($params, Smarty_Internal_Template $tem
         if ($meridian_id !== null || $all_id !== null) {
             $_html_meridian .= ' id="' . smarty_function_escape_special_chars(
                     $meridian_id !== null ?
-                        ($meridian_id ?? $_name) :
-                        ($all_id ? ($all_id . $_name) : $_name)
+                        ($meridian_id ? $meridian_id :
+                            $_name) :
+                        ($all_id ? ($all_id . $_name) :
+                            $_name)
                 ) . '"';
         }
         if ($meridian_size) {
@@ -322,7 +328,7 @@ function smarty_function_html_select_time($params, Smarty_Internal_Template $tem
         }
         $_html_meridian .= $_extra . $extra_attrs . '>' . $option_separator;
         if (isset($meridian_empty) || isset($all_empty)) {
-            $_html_meridian .= '<option value="">' . ($meridian_empty ?? $all_empty) .
+            $_html_meridian .= '<option value="">' . (isset($meridian_empty) ? $meridian_empty : $all_empty) .
                                '</option>' . $option_separator;
         }
         $_html_meridian .= '<option value="am"' . ($_hour > 0 && $_hour < 12 ? ' selected="selected"' : '') .

libs/plugins/function.html_table.php

@@ -38,7 +38,7 @@
  * @author  credit to Messju Mohr <messju at lammfellpuschen dot de>
  * @author  credit to boots <boots dot smarty at yahoo dot com>
  * @version 1.1
- * @link    https://www.smarty.net/docs/en/language.function.html.table.php {html_table}
+ * @link    https://www.smarty.net/manual/en/language.function.html.table.php {html_table}
  *           (Smarty online manual)
  *
  * @param array $params parameters

libs/plugins/function.mailto.php

@@ -36,7 +36,7 @@
  * {mailto address="me@domain.com" cc="you@domain.com,they@domain.com"}
  * {mailto address="me@domain.com" extra='class="mailto"'}
  *
- * @link    https://www.smarty.net/docs/en/language.function.mailto.php {mailto}
+ * @link    https://www.smarty.net/manual/en/language.function.mailto.php {mailto}
  *           (Smarty online manual)
  * @version 1.2
  * @author  Monte Ohrt <monte at ohrt dot com>

libs/plugins/function.math.php

@@ -12,7 +12,7 @@
  * Name:     math
  * Purpose:  handle math computations in template
  *
- * @link   https://www.smarty.net/docs/en/language.function.math.php {math}
+ * @link   https://www.smarty.net/manual/en/language.function.math.php {math}
  *           (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  *
@@ -25,35 +25,35 @@ function smarty_function_math($params, $template)
 {
     static $_allowed_funcs =
         array(
-            'int'     => true,
-            'abs'     => true,
-            'ceil'    => true,
-            'acos'    => true,
+            'int'   => true,
+            'abs'   => true,
+            'ceil'  => true,
+            'acos'   => true,
             'acosh'   => true,
-            'cos'     => true,
-            'cosh'    => true,
-            'deg2rad' => true,
-            'rad2deg' => true,
-            'exp'     => true,
-            'floor'   => true,
-            'log'     => true,
-            'log10'   => true,
-            'max'     => true,
-            'min'     => true,
-            'pi'      => true,
-            'pow'     => true,
-            'rand'    => true,
-            'round'   => true,
-            'asin'    => true,
+            'cos'   => true,
+            'cosh'   => true,
+            'deg2rad'   => true,
+            'rad2deg'   => true,
+            'exp'   => true,
+            'floor' => true,
+            'log'   => true,
+            'log10' => true,
+            'max'   => true,
+            'min'   => true,
+            'pi'    => true,
+            'pow'   => true,
+            'rand'  => true,
+            'round' => true,
+            'asin'   => true,
             'asinh'   => true,
-            'sin'     => true,
-            'sinh'    => true,
-            'sqrt'    => true,
-            'srand'   => true,
-            'atan'    => true,
+            'sin'   => true,
+            'sinh'   => true,
+            'sqrt'  => true,
+            'srand' => true,
+            'atan'   => true,
             'atanh'   => true,
-            'tan'     => true,
-            'tanh'    => true
+            'tan'   => true,
+            'tanh'   => true
         );
 
     // be sure equation parameter is present

libs/plugins/modifier.date_format.php

@@ -15,8 +15,7 @@
  *          - format: strftime format for output
  *          - default_date: default date if $string is empty
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.date.format.php date_format
- *         (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.date.format.php date_format (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  *
  * @param string $string       input date string

libs/plugins/modifier.escape.php

@@ -17,31 +17,104 @@
  * @param string  $string        input string
  * @param string  $esc_type      escape type
  * @param string  $char_set      character set, used for htmlspecialchars() or htmlentities()
- * @param boolean $double_encode encode already encoded entities again, used for htmlspecialchars() or htmlentities()
+ * @param boolean $double_encode encode already encoded entitites again, used for htmlspecialchars() or htmlentities()
  *
  * @return string escaped input string
  */
 function smarty_modifier_escape($string, $esc_type = 'html', $char_set = null, $double_encode = true)
 {
+    static $_double_encode = true;
     static $is_loaded_1 = false;
     static $is_loaded_2 = false;
-
     if (!$char_set) {
         $char_set = Smarty::$_CHARSET;
     }
+
     $string = (string)$string;
 
     switch ($esc_type) {
         case 'html':
-            return htmlspecialchars($string, ENT_QUOTES, $char_set, $double_encode);
+            if ($_double_encode) {
+                // php >=5.3.2 - go native
+                return htmlspecialchars($string, ENT_QUOTES, $char_set, $double_encode);
+            } else {
+                if ($double_encode) {
+                    // php <5.2.3 - only handle double encoding
+                    return htmlspecialchars($string, ENT_QUOTES, $char_set);
+                } else {
+                    // php <5.2.3 - prevent double encoding
+                    $string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
+                    $string = htmlspecialchars($string, ENT_QUOTES, $char_set);
+                    $string = str_replace(
+                        array(
+                            '%%%SMARTY_START%%%',
+                            '%%%SMARTY_END%%%'
+                        ),
+                        array(
+                            '&',
+                            ';'
+                        ),
+                        $string
+                    );
+                    return $string;
+                }
+            }
         // no break
         case 'htmlall':
             if (Smarty::$_MBSTRING) {
-                $string = mb_convert_encoding($string, 'UTF-8', $char_set);
-                return htmlentities($string, ENT_QUOTES, 'UTF-8', $double_encode);
+                // mb_convert_encoding ignores htmlspecialchars()
+                if ($_double_encode) {
+                    // php >=5.3.2 - go native
+                    $string = htmlspecialchars($string, ENT_QUOTES, $char_set, $double_encode);
+                } else {
+                    if ($double_encode) {
+                        // php <5.2.3 - only handle double encoding
+                        $string = htmlspecialchars($string, ENT_QUOTES, $char_set);
+                    } else {
+                        // php <5.2.3 - prevent double encoding
+                        $string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
+                        $string = htmlspecialchars($string, ENT_QUOTES, $char_set);
+                        $string =
+                            str_replace(
+                                array(
+                                    '%%%SMARTY_START%%%',
+                                    '%%%SMARTY_END%%%'
+                                ),
+                                array(
+                                    '&',
+                                    ';'
+                                ),
+                                $string
+                            );
+                        return $string;
+                    }
+                }
+                // htmlentities() won't convert everything, so use mb_convert_encoding
+                return mb_convert_encoding($string, 'HTML-ENTITIES', $char_set);
             }
             // no MBString fallback
-            return htmlentities($string, ENT_QUOTES, $char_set, $double_encode);
+            if ($_double_encode) {
+                return htmlentities($string, ENT_QUOTES, $char_set, $double_encode);
+            } else {
+                if ($double_encode) {
+                    return htmlentities($string, ENT_QUOTES, $char_set);
+                } else {
+                    $string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
+                    $string = htmlentities($string, ENT_QUOTES, $char_set);
+                    $string = str_replace(
+                        array(
+                            '%%%SMARTY_START%%%',
+                            '%%%SMARTY_END%%%'
+                        ),
+                        array(
+                            '&',
+                            ';'
+                        ),
+                        $string
+                    );
+                    return $string;
+                }
+            }
         // no break
         case 'url':
             return rawurlencode($string);

libs/plugins/modifier.regex_replace.php

@@ -11,7 +11,7 @@
  * Name:     regex_replace
  * Purpose:  regular expression search/replace
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.regex.replace.php
+ * @link   https://www.smarty.net/manual/en/language.modifier.regex.replace.php
  *          regex_replace (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  *

libs/plugins/modifier.replace.php

@@ -11,8 +11,7 @@
  * Name:     replace
  * Purpose:  simple search/replace
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.replace.php replace
- *         (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.replace.php replace (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  * @author Uwe Tews
  *

libs/plugins/modifier.spacify.php

@@ -11,8 +11,7 @@
  * Name:     spacify
  * Purpose:  add spaces between characters in a string
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.spacify.php spacify
- *         (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.spacify.php spacify (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  *
  * @param string $string       input string

libs/plugins/modifier.truncate.php

@@ -13,8 +13,7 @@
  *               optionally splitting in the middle of a word, and
  *               appending the $etc string or inserting $etc into the middle.
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.truncate.php truncate
- *         (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.truncate.php truncate (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  *
  * @param string  $string      input string

libs/plugins/modifiercompiler.cat.php

@@ -14,7 +14,7 @@
  * Input:    string to catenate
  * Example:  {$var|cat:"foo"}
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.cat.php cat
+ * @link   https://www.smarty.net/manual/en/language.modifier.cat.php cat
  *           (Smarty online manual)
  * @author Uwe Tews
  *

libs/plugins/modifiercompiler.count_characters.php

@@ -11,8 +11,8 @@
  * Name:     count_characters
  * Purpose:  count the number of characters in a text
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.count.characters.php count_characters
- *           (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.count.characters.php count_characters (Smarty online
+ *         manual)
  * @author Uwe Tews
  *
  * @param array $params parameters

libs/plugins/modifiercompiler.count_paragraphs.php

@@ -11,7 +11,7 @@
  * Name:     count_paragraphs
  * Purpose:  count the number of paragraphs in a text
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.count.paragraphs.php
+ * @link   https://www.smarty.net/manual/en/language.modifier.count.paragraphs.php
  *          count_paragraphs (Smarty online manual)
  * @author Uwe Tews
  *

libs/plugins/modifiercompiler.count_sentences.php

@@ -11,7 +11,7 @@
  * Name:     count_sentences
  * Purpose:  count the number of sentences in a text
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.count.paragraphs.php
+ * @link   https://www.smarty.net/manual/en/language.modifier.count.paragraphs.php
  *          count_sentences (Smarty online manual)
  * @author Uwe Tews
  *

libs/plugins/modifiercompiler.count_words.php

@@ -11,8 +11,7 @@
  * Name:     count_words
  * Purpose:  count the number of words in a text
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.count.words.php count_words
- *           (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.count.words.php count_words (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array $params parameters

libs/plugins/modifiercompiler.default.php

@@ -11,8 +11,7 @@
  * Name:     default
  * Purpose:  designate default value for empty variables
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.default default
- *           (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.default.php default (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array $params parameters

libs/plugins/modifiercompiler.escape.php

@@ -11,18 +11,19 @@
  * Name:     escape
  * Purpose:  escape string for output
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.escape count_characters
- *         (Smarty online manual)
+ * @link   https://www.smarty.net/docsv2/en/language.modifier.escape count_characters (Smarty online manual)
  * @author Rodney Rehm
  *
  * @param array                                $params parameters
  * @param Smarty_Internal_TemplateCompilerBase $compiler
  *
  * @return string with compiled code
- * @throws SmartyException
+ * @throws \SmartyException
  */
 function smarty_modifiercompiler_escape($params, Smarty_Internal_TemplateCompilerBase $compiler)
 {
+    static $_double_encode = true;
+    static $is_loaded = false;
     $compiler->template->_checkPlugins(
         array(
             array(
@@ -40,17 +41,42 @@ function smarty_modifiercompiler_escape($params, Smarty_Internal_TemplateCompile
         }
         switch ($esc_type) {
             case 'html':
-                return 'htmlspecialchars((string)' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($char_set, true) . ', ' .
-                    var_export($double_encode, true) . ')';
+                if ($_double_encode) {
+                    return 'htmlspecialchars((string)' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($char_set, true) . ', ' .
+                           var_export($double_encode, true) . ')';
+                } elseif ($double_encode) {
+                    return 'htmlspecialchars((string)' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($char_set, true) . ')';
+                } else {
+                    // fall back to modifier.escape.php
+                }
+            // no break
             case 'htmlall':
                 if (Smarty::$_MBSTRING) {
-                    return 'htmlentities(mb_convert_encoding((string)' . $params[ 0 ] . ', \'UTF-8\', ' .
-                        var_export($char_set, true) . '), ENT_QUOTES, \'UTF-8\', ' .
-                        var_export($double_encode, true) . ')';
+                    if ($_double_encode) {
+                        // php >=5.2.3 - go native
+                        return 'mb_convert_encoding(htmlspecialchars((string)' . $params[ 0 ] . ', ENT_QUOTES, ' .
+                               var_export($char_set, true) . ', ' . var_export($double_encode, true) .
+                               '), "HTML-ENTITIES", ' . var_export($char_set, true) . ')';
+                    } elseif ($double_encode) {
+                        // php <5.2.3 - only handle double encoding
+                        return 'mb_convert_encoding(htmlspecialchars((string)' . $params[ 0 ] . ', ENT_QUOTES, ' .
+                               var_export($char_set, true) . '), "HTML-ENTITIES", ' . var_export($char_set, true) . ')';
+                    } else {
+                        // fall back to modifier.escape.php
+                    }
                 }
                 // no MBString fallback
-                return 'htmlentities((string)' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($char_set, true) . ', ' .
-                    var_export($double_encode, true) . ')';
+                if ($_double_encode) {
+                    // php >=5.2.3 - go native
+                    return 'htmlentities((string)' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($char_set, true) . ', ' .
+                           var_export($double_encode, true) . ')';
+                } elseif ($double_encode) {
+                    // php <5.2.3 - only handle double encoding
+                    return 'htmlentities((string)' . $params[ 0 ] . ', ENT_QUOTES, ' . var_export($char_set, true) . ')';
+                } else {
+                    // fall back to modifier.escape.php
+                }
+            // no break
             case 'url':
                 return 'rawurlencode((string)' . $params[ 0 ] . ')';
             case 'urlpathinfo':

libs/plugins/modifiercompiler.indent.php

@@ -11,8 +11,7 @@
  * Name:     indent
  * Purpose:  indent lines of text
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.indent.php indent
- *           (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.indent.php indent (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array $params parameters

libs/plugins/modifiercompiler.lower.php

@@ -11,8 +11,7 @@
  * Name:     lower
  * Purpose:  convert string to lowercase
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.lower.php lower
- *           (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.lower.php lower (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  * @author Uwe Tews
  *

libs/plugins/modifiercompiler.string_format.php

@@ -11,8 +11,7 @@
  * Name:     string_format
  * Purpose:  format strings via sprintf
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.string.format.php string_format
- *           (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.string.format.php string_format (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array $params parameters

libs/plugins/modifiercompiler.strip.php

@@ -14,8 +14,7 @@
  * Example:  {$var|strip} {$var|strip:" "}
  * Date:     September 25th, 2002
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.strip.php strip
- *           (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.strip.php strip (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array $params parameters

libs/plugins/modifiercompiler.unescape.php

@@ -39,9 +39,9 @@ function smarty_modifiercompiler_unescape($params, Smarty_Internal_TemplateCompi
         case 'entity':
         case 'htmlall':
             if (Smarty::$_MBSTRING) {
-                return 'html_entity_decode(mb_convert_encoding(' . $params[ 0 ] . ', ' . $params[ 2 ] . ', \'UTF-8\'), ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401, ' . $params[ 2 ] . ')';
+                return 'mb_convert_encoding(' . $params[ 0 ] . ', ' . $params[ 2 ] . ', \'HTML-ENTITIES\')';
             }
-            return 'html_entity_decode(' . $params[ 0 ] . ', ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401, ' . $params[ 2 ] . ')';
+            return 'html_entity_decode(' . $params[ 0 ] . ', ENT_NOQUOTES, ' . $params[ 2 ] . ')';
         case 'html':
             return 'htmlspecialchars_decode(' . $params[ 0 ] . ', ENT_QUOTES)';
         case 'url':

libs/plugins/modifiercompiler.upper.php

@@ -11,8 +11,7 @@
  * Name:     lower
  * Purpose:  convert string to uppercase
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.upper.php lower
- *           (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.upper.php lower (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array $params parameters

libs/plugins/modifiercompiler.wordwrap.php

@@ -11,8 +11,7 @@
  * Name:     wordwrap
  * Purpose:  wrap a string of text at a given length
  *
- * @link   https://www.smarty.net/docs/en/language.modifier.wordwrap.php wordwrap
- *           (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.wordwrap.php wordwrap (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array                                 $params parameters

libs/plugins/shared.literal_compiler_param.php

@@ -26,7 +26,7 @@ function smarty_literal_compiler_param($params, $index, $default = null)
     if (!preg_match('/^([\'"]?)[a-zA-Z0-9-]+(\\1)$/', $params[ $index ])) {
         throw new SmartyException(
             '$param[' . $index .
-            '] is not a literal and is thus not evaluable at compile time'
+            '] is not a literal and is thus not evaluatable at compile time'
         );
     }
     $t = null;

libs/plugins/shared.mb_str_replace.php

@@ -63,7 +63,6 @@ if (!function_exists('smarty_mb_str_replace')) {
             }
 
             $parts = mb_split(preg_quote($search), $subject ?? "") ?: array();
-
             // If original regex encoding was not unicode...
             if(!$reg_is_unicode) {
                 // ...restore original regex encoding to avoid breaking the system.

libs/sysplugins/smarty_cacheresource_custom.php

@@ -117,7 +117,7 @@ abstract class Smarty_CacheResource_Custom extends Smarty_CacheResource
             $cached->content,
             $timestamp
         );
-        $cached->timestamp = $timestamp ?? false;
+        $cached->timestamp = isset($timestamp) ? $timestamp : false;
         $cached->exists = !!$cached->timestamp;
     }
 
@@ -138,8 +138,8 @@ abstract class Smarty_CacheResource_Custom extends Smarty_CacheResource
         if (!$cached) {
             $cached = $_smarty_tpl->cached;
         }
-        $content = $cached->content ?? null;
-        $timestamp = $cached->timestamp ?? null;
+        $content = $cached->content ? $cached->content : null;
+        $timestamp = $cached->timestamp ? $cached->timestamp : null;
         if ($content === null || !$timestamp) {
             $this->fetch(
                 $_smarty_tpl->cached->filepath,
@@ -187,7 +187,7 @@ abstract class Smarty_CacheResource_Custom extends Smarty_CacheResource
      */
     public function readCachedContent(Smarty_Internal_Template $_template)
     {
-        $content = $_template->cached->content ?? null;
+        $content = $_template->cached->content ? $_template->cached->content : null;
         $timestamp = null;
         if ($content === null) {
             $timestamp = null;

libs/sysplugins/smarty_cacheresource_keyvaluestore.php

@@ -102,8 +102,8 @@ abstract class Smarty_CacheResource_KeyValueStore extends Smarty_CacheResource
         if (!$cached) {
             $cached = $_smarty_tpl->cached;
         }
-        $content = $cached->content ?? null;
-        $timestamp = $cached->timestamp ?? null;
+        $content = $cached->content ? $cached->content : null;
+        $timestamp = $cached->timestamp ? $cached->timestamp : null;
         if ($content === null || !$timestamp) {
             if (!$this->fetch(
                 $_smarty_tpl->cached->filepath,
@@ -148,7 +148,7 @@ abstract class Smarty_CacheResource_KeyValueStore extends Smarty_CacheResource
      */
     public function readCachedContent(Smarty_Internal_Template $_template)
     {
-        $content = $_template->cached->content ?? null;
+        $content = $_template->cached->content ? $_template->cached->content : null;
         $timestamp = null;
         if ($content === null) {
             if (!$this->fetch(

libs/sysplugins/smarty_internal_compile_block.php

@@ -112,7 +112,7 @@ class Smarty_Internal_Compile_Blockclose extends Smarty_Internal_Compile_Shared_
         $_block = $compiler->_cache[ 'blockParams' ][ $compiler->_cache[ 'blockNesting' ] ];
         unset($compiler->_cache[ 'blockParams' ][ $compiler->_cache[ 'blockNesting' ] ]);
         $_name = $_attr[ 'name' ];
-        $_assign = $_attr[ 'assign' ] ?? null;
+        $_assign = isset($_attr[ 'assign' ]) ? $_attr[ 'assign' ] : null;
         unset($_attr[ 'assign' ], $_attr[ 'name' ]);
         foreach ($_attr as $name => $stat) {
             if ((is_bool($stat) && $stat !== false) || (!is_bool($stat) && $stat !== 'false')) {

libs/sysplugins/smarty_internal_compile_capture.php

@@ -63,9 +63,9 @@ class Smarty_Internal_Compile_Capture extends Smarty_Internal_CompileBase
     {
         // check and get attributes
         $_attr = $this->getAttributes($compiler, $args, $parameter, 'capture');
-        $buffer = $_attr[ 'name' ] ?? "'default'";
-        $assign = $_attr[ 'assign' ] ?? 'null';
-        $append = $_attr[ 'append' ] ?? 'null';
+        $buffer = isset($_attr[ 'name' ]) ? $_attr[ 'name' ] : "'default'";
+        $assign = isset($_attr[ 'assign' ]) ? $_attr[ 'assign' ] : 'null';
+        $append = isset($_attr[ 'append' ]) ? $_attr[ 'append' ] : 'null';
         $compiler->_cache[ 'capture_stack' ][] = array($compiler->nocache);
         // maybe nocache because of nocache variables
         $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;

libs/sysplugins/smarty_internal_compile_child.php

@@ -63,7 +63,7 @@ class Smarty_Internal_Compile_Child extends Smarty_Internal_CompileBase
         if ($this->blockType === 'Child') {
             $compiler->_cache[ 'blockParams' ][ $compiler->_cache[ 'blockNesting' ] ][ 'callsChild' ] = 'true';
         }
-        $_assign = $_attr[ 'assign' ] ?? null;
+        $_assign = isset($_attr[ 'assign' ]) ? $_attr[ 'assign' ] : null;
         $output = "<?php \n";
         if (isset($_assign)) {
             $output .= "ob_start();\n";

libs/sysplugins/smarty_internal_compile_function.php

@@ -157,7 +157,7 @@ class Smarty_Internal_Compile_Functionclose extends Smarty_Internal_CompileBase
             $output = "<?php echo \"/*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/<?php ";
             $output .= "\\\$_smarty_tpl->smarty->ext->_tplFunction->restoreTemplateVariables(\\\$_smarty_tpl, '{$_name}');?>\n";
             $output .= "/*/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/\";\n?>";
-            $output .= "<?php echo str_replace('{$compiler->template->compiled->nocache_hash}', \$_smarty_tpl->compiled->nocache_hash, ob_get_clean());\n";
+            $output .= "<?php echo str_replace('{$compiler->template->compiled->nocache_hash}', \$_smarty_tpl->compiled->nocache_hash ?? '', ob_get_clean());\n";
             $output .= "}\n}\n";
             $output .= $compiler->cStyleComment("/ {$_funcName}_nocache ") . "\n\n";
             $output .= "?>\n";

libs/sysplugins/smarty_internal_compile_include.php

@@ -196,7 +196,7 @@ class Smarty_Internal_Compile_Include extends Smarty_Internal_CompileBase
         }
         $has_compiled_template = false;
         if ($merge_compiled_includes) {
-            $c_id = $_attr[ 'compile_id' ] ?? $compiler->template->compile_id;
+            $c_id = isset($_attr[ 'compile_id' ]) ? $_attr[ 'compile_id' ] : $compiler->template->compile_id;
             // we must observe different compile_id and caching
             $t_hash = sha1($c_id . ($_caching ? '--caching' : '--nocaching'));
             $compiler->smarty->allow_ambiguous_resources = true;
@@ -314,7 +314,7 @@ class Smarty_Internal_Compile_Include extends Smarty_Internal_CompileBase
             } else {
                 $basename = $tpl->source->handler->getBasename($tpl->source);
                 $sourceInfo = $tpl->source->type . ':' .
-                              ($basename ?? $tpl->source->name);
+                              ($basename ? $basename : $tpl->source->name);
             }
             // get compiled code
             $compiled_code = "<?php\n\n";

libs/sysplugins/smarty_internal_configfilelexer.php

@@ -193,7 +193,7 @@ class Smarty_Internal_Configfilelexer
                 $this->yyTraceFILE,
                 "%sState push %s\n",
                 $this->yyTracePrompt,
-                $this->state_name[ $this->_yy_state ] ?? $this->_yy_state
+                isset($this->state_name[ $this->_yy_state ]) ? $this->state_name[ $this->_yy_state ] : $this->_yy_state
             );
         }
         array_push($this->_yy_stack, $this->_yy_state);
@@ -203,7 +203,7 @@ class Smarty_Internal_Configfilelexer
                 $this->yyTraceFILE,
                 "%snew State %s\n",
                 $this->yyTracePrompt,
-                $this->state_name[ $this->_yy_state ] ?? $this->_yy_state
+                isset($this->state_name[ $this->_yy_state ]) ? $this->state_name[ $this->_yy_state ] : $this->_yy_state
             );
         }
     }
@@ -215,7 +215,7 @@ class Smarty_Internal_Configfilelexer
                 $this->yyTraceFILE,
                 "%sState pop %s\n",
                 $this->yyTracePrompt,
-                $this->state_name[ $this->_yy_state ] ?? $this->_yy_state
+                isset($this->state_name[ $this->_yy_state ]) ? $this->state_name[ $this->_yy_state ] : $this->_yy_state
             );
         }
         $this->_yy_state = array_pop($this->_yy_stack);
@@ -224,7 +224,7 @@ class Smarty_Internal_Configfilelexer
                 $this->yyTraceFILE,
                 "%snew State %s\n",
                 $this->yyTracePrompt,
-                $this->state_name[ $this->_yy_state ] ?? $this->_yy_state
+                isset($this->state_name[ $this->_yy_state ]) ? $this->state_name[ $this->_yy_state ] : $this->_yy_state
             );
         }
     }
@@ -237,7 +237,7 @@ class Smarty_Internal_Configfilelexer
                 $this->yyTraceFILE,
                 "%sState set %s\n",
                 $this->yyTracePrompt,
-                $this->state_name[ $this->_yy_state ] ?? $this->_yy_state
+                isset($this->state_name[ $this->_yy_state ]) ? $this->state_name[ $this->_yy_state ] : $this->_yy_state
             );
         }
     }

libs/sysplugins/smarty_internal_debug.php

@@ -69,7 +69,6 @@ class Smarty_Internal_Debug extends Smarty_Internal_Data
     public function end_template(Smarty_Internal_Template $template)
     {
         $key = $this->get_key($template);
-        if (!isset($this->template_data[ $this->index ][ $key ][ 'start_template_time' ])) return; // see internal_template L 243
         $this->template_data[ $this->index ][ $key ][ 'total_time' ] +=
             microtime(true) - $this->template_data[ $this->index ][ $key ][ 'start_template_time' ];
         //$this->template_data[$this->index][$key]['properties'] = $template->properties;
@@ -143,7 +142,6 @@ class Smarty_Internal_Debug extends Smarty_Internal_Data
     public function end_render(Smarty_Internal_Template $template)
     {
         $key = $this->get_key($template);
-        if (!isset($this->template_data[ $this->index ][ $key ][ 'start_time' ])) return; // see template_compiled L 119
         $this->template_data[ $this->index ][ $key ][ 'render_time' ] +=
             microtime(true) - $this->template_data[ $this->index ][ $key ][ 'start_time' ];
     }
@@ -222,7 +220,8 @@ class Smarty_Internal_Debug extends Smarty_Internal_Data
         $debObj->debugging = false;
         $debObj->debugging_ctrl = 'NONE';
         $debObj->error_reporting = E_ALL & ~E_NOTICE;
-        $debObj->debug_tpl = $smarty->debug_tpl ?? 'file:' . dirname(__FILE__) . '/../debug.tpl';
+        $debObj->debug_tpl =
+            isset($smarty->debug_tpl) ? $smarty->debug_tpl : 'file:' . __DIR__ . '/../debug.tpl';
         $debObj->registered_plugins = array();
         $debObj->registered_resources = array();
         $debObj->registered_filters = array();

libs/sysplugins/smarty_internal_extension_handler.php

@@ -36,7 +36,6 @@
  * @property   Smarty_Internal_Method_RegisterPlugin     $registerPlugin
  * @property   mixed|\Smarty_Template_Cached             configLoad
  */
-#[\AllowDynamicProperties]
 class Smarty_Internal_Extension_Handler
 {
     public $objType = null;
@@ -67,7 +66,7 @@ class Smarty_Internal_Extension_Handler
     public function _callExternalMethod(Smarty_Internal_Data $data, $name, $args)
     {
         /* @var Smarty $data ->smarty */
-        $smarty = isset($data->smarty) ? $data->smarty : $data; // don't use ?? for isset here since that would need a follow-up property define in Smarty class for __get()
+        $smarty = isset($data->smarty) ? $data->smarty : $data;
         if (!isset($smarty->ext->$name)) {
             if (preg_match('/^((set|get)|(.*?))([A-Z].*)$/', $name, $match)) {
                 $basename = $this->upperCase($match[ 4 ]);

libs/sysplugins/smarty_internal_method_getautoloadfilters.php

@@ -30,7 +30,7 @@ class Smarty_Internal_Method_GetAutoloadFilters extends Smarty_Internal_Method_S
         $smarty = $obj->_getSmartyObj();
         if ($type !== null) {
             $this->_checkFilterType($type);
-            return ($smarty->autoload_filters[ $type ] ?? array());
+            return isset($smarty->autoload_filters[ $type ]) ? $smarty->autoload_filters[ $type ] : array();
         }
         return $smarty->autoload_filters;
     }

libs/sysplugins/smarty_internal_method_getstreamvariable.php

@@ -40,7 +40,7 @@ class Smarty_Internal_Method_GetStreamVariable
             fclose($fp);
             return $_result;
         }
-        $smarty = $data->smarty ?? $data;
+        $smarty = isset($data->smarty) ? $data->smarty : $data;
         if ($smarty->error_unassigned) {
             throw new SmartyException('Undefined stream variable "' . $variable . '"');
         } else {

libs/sysplugins/smarty_internal_method_registerfilter.php

@@ -44,7 +44,7 @@ class Smarty_Internal_Method_RegisterFilter
     {
         $smarty = $obj->_getSmartyObj();
         $this->_checkFilterType($type);
-        $name = $name ?? $this->_getFilterName($callback);
+        $name = isset($name) ? $name : $this->_getFilterName($callback);
         if (!is_callable($callback)) {
             throw new SmartyException("{$type}filter '{$name}' not callable");
         }

libs/sysplugins/smarty_internal_runtime_capture.php

@@ -150,7 +150,7 @@ class Smarty_Internal_Runtime_Capture
     public function getBuffer(Smarty_Internal_Template $_template, $name = null)
     {
         if (isset($name)) {
-            return ($this->namedBuffer[ $name ] ?? null);
+            return isset($this->namedBuffer[ $name ]) ? $this->namedBuffer[ $name ] : null;
         } else {
             return $this->namedBuffer;
         }

libs/sysplugins/smarty_internal_runtime_getincludepath.php

@@ -120,12 +120,14 @@ class Smarty_Internal_Runtime_GetIncludePath
     public function getIncludePath($dirs, $file, Smarty $smarty)
     {
         //if (!(isset($this->_has_stream_include) ? $this->_has_stream_include : $this->_has_stream_include = false)) {
-        if (!($this->_has_stream_include ?? ($this->_has_stream_include = function_exists('stream_resolve_include_path')))) {
+        if (!(isset($this->_has_stream_include) ? $this->_has_stream_include :
+            $this->_has_stream_include = function_exists('stream_resolve_include_path'))
+        ) {
             $this->isNewIncludePath($smarty);
         }
         // try PHP include_path
         foreach ($dirs as $dir) {
-            $dir_n = $this->number[ $dir ] ?? ($this->number[ $dir ] = $this->counter++);
+            $dir_n = isset($this->number[ $dir ]) ? $this->number[ $dir ] : $this->number[ $dir ] = $this->counter++;
             if (isset($this->isFile[ $dir_n ][ $file ])) {
                 if ($this->isFile[ $dir_n ][ $file ]) {
                     return $this->isFile[ $dir_n ][ $file ];
@@ -151,13 +153,14 @@ class Smarty_Internal_Runtime_GetIncludePath
                 $this->_user_dirs[ $dir_n ] = $dir;
             }
             if ($this->_has_stream_include) {
-                $path = stream_resolve_include_path($dir . ($file ?? ''));
+                $path = stream_resolve_include_path($dir . (isset($file) ? $file : ''));
                 if ($path) {
                     return $this->isFile[ $dir_n ][ $file ] = $path;
                 }
             } else {
                 foreach ($this->_include_dirs as $key => $_i_path) {
-                    $path = $this->isPath[ $key ][ $dir_n ] ?? ($this->isPath[ $key ][ $dir_n ] = is_dir($_dir_path = $_i_path . $dir) ? $_dir_path : false);
+                    $path = isset($this->isPath[ $key ][ $dir_n ]) ? $this->isPath[ $key ][ $dir_n ] :
+                        $this->isPath[ $key ][ $dir_n ] = is_dir($_dir_path = $_i_path . $dir) ? $_dir_path : false;
                     if ($path === false) {
                         continue;
                     }

libs/sysplugins/smarty_internal_runtime_inheritance.php

@@ -141,7 +141,7 @@ class Smarty_Internal_Runtime_Inheritance
      */
     public function instanceBlock(Smarty_Internal_Template $tpl, $className, $name, $tplIndex = null)
     {
-        $block = new $className($name, ($tplIndex ?? $this->tplIndex));
+        $block = new $className($name, isset($tplIndex) ? $tplIndex : $this->tplIndex);
         if (isset($this->childRoot[ $name ])) {
             $block->child = $this->childRoot[ $name ];
         }

libs/sysplugins/smarty_internal_runtime_make_nocache.php

@@ -22,7 +22,7 @@ class Smarty_Internal_Runtime_Make_Nocache
     {
         if (isset($tpl->tpl_vars[ $var ])) {
             $export =
-                preg_replace('/^\\\\?Smarty_Variable::__set_state[(]|[)]$/', '', var_export($tpl->tpl_vars[ $var ], true));
+                preg_replace('/^Smarty_Variable::__set_state[(]|[)]$/', '', var_export($tpl->tpl_vars[ $var ], true));
             if (preg_match('/(\w+)::__set_state/', $export, $match)) {
                 throw new SmartyException("{make_nocache \${$var}} in template '{$tpl->source->name}': variable does contain object '{$match[1]}' not implementing method '__set_state'");
             }

libs/sysplugins/smarty_internal_runtime_tplfunction.php

@@ -21,7 +21,8 @@ class Smarty_Internal_Runtime_TplFunction
      */
     public function callTemplateFunction(Smarty_Internal_Template $tpl, $name, $params, $nocache)
     {
-        $funcParam = $tpl->tplFunctions[ $name ] ?? ($tpl->smarty->tplFunctions[ $name ] ?? null);
+        $funcParam = isset($tpl->tplFunctions[ $name ]) ? $tpl->tplFunctions[ $name ] :
+            (isset($tpl->smarty->tplFunctions[ $name ]) ? $tpl->smarty->tplFunctions[ $name ] : null);
         if (isset($funcParam)) {
             if (!$tpl->caching || ($tpl->caching && $nocache)) {
                 $function = $funcParam[ 'call_name' ];
@@ -83,7 +84,8 @@ class Smarty_Internal_Runtime_TplFunction
     public function getTplFunction(Smarty_Internal_Template $tpl, $name = null)
     {
         if (isset($name)) {
-            return ($tpl->tplFunctions[ $name ] ?? ($tpl->smarty->tplFunctions[ $name ] ?? false));
+            return isset($tpl->tplFunctions[ $name ]) ? $tpl->tplFunctions[ $name ] :
+                (isset($tpl->smarty->tplFunctions[ $name ]) ? $tpl->smarty->tplFunctions[ $name ] : false);
         } else {
             return empty($tpl->tplFunctions) ? $tpl->smarty->tplFunctions : $tpl->tplFunctions;
         }

libs/sysplugins/smarty_internal_template.php

@@ -24,7 +24,6 @@
  *
  * @method bool mustCompile()
  */
-#[\AllowDynamicProperties]
 class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
 {
     /**
@@ -222,7 +221,7 @@ class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
                 $this->smarty->ext->_cacheModify->cacheModifiedCheck(
                     $this->cached,
                     $this,
-                    ($content ?? ob_get_clean())
+                    isset($content) ? $content : ob_get_clean()
                 );
             } else {
                 if ((!$this->caching || $this->cached->has_nocache_code || $this->source->handler->recompiled)
@@ -293,7 +292,7 @@ class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
         $smarty = &$this->smarty;
         $_templateId = $smarty->_getTemplateId($template, $cache_id, $compile_id, $caching, $tpl);
         // recursive call ?
-        if (($tpl->templateId ?? $tpl->_getTemplateId()) !== $_templateId) {
+        if ((isset($tpl->templateId) ? $tpl->templateId : $tpl->_getTemplateId()) !== $_templateId) {
             // already in template cache?
             if (isset(self::$tplObjCache[ $_templateId ])) {
                 // copy data from cached object
@@ -538,7 +537,7 @@ class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
         } else {
             $tpl->mustCompile = !$is_valid;
             $resource = $tpl->compiled;
-            $resource->includes = $properties[ 'includes' ] ?? array();
+            $resource->includes = isset($properties[ 'includes' ]) ? $properties[ 'includes' ] : array();
         }
         if ($is_valid) {
             $resource->unifunc = $properties[ 'unifunc' ];
@@ -580,8 +579,8 @@ class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
      */
     public function _getTemplateId()
     {
-        return ($this->templateId ?? ($this->templateId =
-            $this->smarty->_getTemplateId($this->template_resource, $this->cache_id, $this->compile_id)));
+        return isset($this->templateId) ? $this->templateId : $this->templateId =
+            $this->smarty->_getTemplateId($this->template_resource, $this->cache_id, $this->compile_id);
     }
 
     /**

libs/sysplugins/smarty_internal_templatebase.php

@@ -186,7 +186,7 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
         } else {
             // get template object
             $saveVars = false;
-            $template = $smarty->createTemplate($template, $cache_id, $compile_id, ($parent ?? $this), false);
+            $template = $smarty->createTemplate($template, $cache_id, $compile_id, $parent ? $parent : $this, false);
             if ($this->_objType === 1) {
                 // set caching in template object
                 $template->caching = $this->caching;

libs/sysplugins/smarty_internal_templatecompilerbase.php

@@ -428,8 +428,8 @@ abstract class Smarty_Internal_TemplateCompilerBase
                 }
                 $this->smarty->_debug->start_compile($this->template);
             }
-            $this->parent_compiler = $parent_compiler ?? $this;
-            $nocache = $nocache ?? false;
+            $this->parent_compiler = $parent_compiler ? $parent_compiler : $this;
+            $nocache = isset($nocache) ? $nocache : false;
             if (empty($template->compiled->nocache_hash)) {
                 $template->compiled->nocache_hash = $this->nocache_hash;
             } else {
@@ -1029,7 +1029,7 @@ abstract class Smarty_Internal_TemplateCompilerBase
                 $_scope = $_scopeName;
             } elseif (is_string($_scopeName)) {
                 $_scopeName = trim($_scopeName, '\'"');
-                $_scope = $validScopes[ $_scopeName ] ?? false;
+                $_scope = isset($validScopes[ $_scopeName ]) ? $validScopes[ $_scopeName ] : false;
             } else {
                 $_scope = false;
             }

libs/sysplugins/smarty_resource_custom.php

@@ -54,7 +54,7 @@ abstract class Smarty_Resource_Custom extends Smarty_Resource
             $source->timestamp = $mtime;
         } else {
             $this->fetch($source->name, $content, $timestamp);
-            $source->timestamp = $timestamp ?? false;
+            $source->timestamp = isset($timestamp) ? $timestamp : false;
             if (isset($content)) {
                 $source->content = $content;
             }

libs/sysplugins/smarty_security.php

@@ -19,9 +19,9 @@
 /**
  * This class does contain the security settings
  */
-#[\AllowDynamicProperties]
 class Smarty_Security
 {
+
     /**
      * This is the list of template directories that are considered secure.
      * $template_dir is in this list implicitly.

libs/sysplugins/smarty_template_compiled.php

@@ -230,7 +230,7 @@ class Smarty_Template_Compiled extends Smarty_Template_Resource_Base
         if (!$_template->source->handler->recompiled) {
             return file_get_contents($this->filepath);
         }
-        return ($this->content ?? false);
+        return isset($this->content) ? $this->content : false;
     }
 
     /**